diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl index 777e48fde34..07b817d1713 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl @@ -117,7 +117,7 @@ vec3 light_volume_light_vector(LightData ld, vec3 P) vec3 participating_media_extinction(vec3 wpos, sampler3D volume_extinction) { /* Waiting for proper volume shadowmaps and out of frustum shadow map. */ - vec3 ndc = project_point(ViewProjectionMatrix, wpos); + vec3 ndc = project_point(ProjectionMatrix, transform_point(ViewMatrix, wpos)); vec3 volume_co = ndc_to_volume(ndc * 0.5 + 0.5); /* Let the texture be clamped to edge. This reduce visual glitches. */ @@ -147,12 +147,15 @@ vec3 light_volume_shadow(LightData ld, vec3 ray_wpos, vec4 l_vector, sampler3D v if (ld.l_type == SUN) { /* For sun light we scan the whole frustum. So we need to get the correct endpoints. */ - vec3 ndcP = project_point(ViewProjectionMatrix, ray_wpos); - vec3 ndcL = project_point(ViewProjectionMatrix, ray_wpos + l_vector.xyz) - ndcP; + vec3 ndcP = project_point(ProjectionMatrix, transform_point(ViewMatrix, ray_wpos)); + vec3 ndcL = project_point(ProjectionMatrix, + transform_point(ViewMatrix, ray_wpos + l_vector.xyz)) - + ndcP; vec3 frustum_isect = ndcP + ndcL * line_unit_box_intersect_dist_safe(ndcP, ndcL); - L = project_point(ViewProjectionMatrixInverse, frustum_isect) - ray_wpos; + vec4 L_hom = ViewMatrixInverse * (ProjectionMatrixInverse * vec4(frustum_isect, 1.0)); + L = (L_hom.xyz / L_hom.w) - ray_wpos; L /= volShadowSteps; dd = length(L); } |